diff --git a/src/xpra/net/subprocess_wrapper.py b/src/xpra/net/subprocess_wrapper.py
index f0608ee250..354033f307 100644
--- a/src/xpra/net/subprocess_wrapper.py
+++ b/src/xpra/net/subprocess_wrapper.py
@@ -62,6 +62,7 @@ def __init__(self, input_filename="-", output_filename="-", wrapped_object=None,
         self.input_filename = input_filename
         self.output_filename = output_filename
         self.method_whitelist = None
+        self.large_packets = []
         #the gobject instance which is wrapped:
         self.wrapped_object = wrapped_object
         self.send_queue = Queue()
@@ -136,6 +137,7 @@ def make_protocol(self):
         except Exception as e:
             log.warn("failed to enable rencode: %s", e)
         protocol.enable_compressor("none")
+        protocol.large_packets = self.large_packets
         return protocol
 
 
@@ -228,6 +230,7 @@ def __init__(self, description="wrapper"):
         self.description = description
         self.send_queue = Queue()
         self.signal_callbacks = {}
+        self.large_packets = []
         #hook a default packet handlers:
         self.connect(Protocol.CONNECTION_LOST, self.connection_lost)
 
@@ -255,6 +258,7 @@ def make_protocol(self):
         protocol.enable_encoder("rencode")
         #we assume this is local, so no compression:
         protocol.enable_compressor("none")
+        protocol.large_packets = self.large_packets
         return protocol
 
 
diff --git a/src/xpra/sound/wrapper.py b/src/xpra/sound/wrapper.py
index fff3ecd13e..4756cae605 100644
--- a/src/xpra/sound/wrapper.py
+++ b/src/xpra/sound/wrapper.py
@@ -44,7 +44,7 @@ class sound_subprocess(subprocess_callee):
     """
     def __init__(self, wrapped_object, method_whitelist, exports_list):
         #add bits common to both record and play:
-        methods = method_whitelist+["set_volume", "stop"]
+        methods = method_whitelist+["set_volume", "stop", "cleanup"]
         exports = ["state-changed", "bitrate-changed", "error"] + exports_list
         subprocess_callee.__init__(self, wrapped_object=wrapped_object, method_whitelist=methods)
         for x in exports:
@@ -77,12 +77,7 @@ def __init__(self, *pipeline_args):
         from xpra.sound.src import SoundSource
         sound_pipeline = SoundSource(*pipeline_args)
         sound_subprocess.__init__(self, sound_pipeline, [], ["new-stream", "new-buffer"])
-
-    def make_protocol(self):
-        #overriden so we can tell that "new-buffer" is a large packet:
-        p = subprocess_callee.make_protocol(self)
-        p.large_packets = ["new-buffer"]
-        return p
+        self.large_packets = ["new-buffer"]
 
 class sound_play(sound_subprocess):
     """ wraps SoundSink as a subprocess """
@@ -187,14 +182,10 @@ class source_subprocess_wrapper(sound_subprocess_wrapper):
 
     def __init__(self, plugin, options, codecs, volume, element_options):
         sound_subprocess_wrapper.__init__(self, "sound-source")
+        self.large_packets = ["new-buffer"]
         self.command = [get_sound_executable(), "_sound_record", "-", "-", plugin or "", "", ",".join(codecs), "", str(volume)]
         self._add_debug_args()
 
-    def make_protocol(self):
-        protocol = subprocess_caller.make_protocol(self)
-        protocol.large_packets = ["new-buffer"]
-        return protocol
-
     def __repr__(self):
         return "source_subprocess_wrapper(%s)" % self.process
 
@@ -203,15 +194,11 @@ class sink_subprocess_wrapper(sound_subprocess_wrapper):
 
     def __init__(self, plugin, options, codec, volume, element_options):
         sound_subprocess_wrapper.__init__(self, "sound-sink")
+        self.large_packets = ["add_data"]
         self.codec = codec
         self.command = [get_sound_executable(), "_sound_play", "-", "-", plugin or "", "", codec, "", str(volume)]
         self._add_debug_args()
 
-    def make_protocol(self):
-        protocol = subprocess_caller.make_protocol(self)
-        protocol.large_packets = ["add_data"]
-        return protocol
-
     def add_data(self, data, metadata):
         if DEBUG_SOUND:
             log("add_data(%s bytes, %s) forwarding to %s", len(data), metadata, self.protocol)